|
HS Code |
342296 |
| Iupac Name | 4-[(Z)-2-(3,5-dimethoxyphenyl)ethenyl]phenol |
| Molecular Formula | C16H16O3 |
| Molecular Weight | 256.30 g/mol |
| Cas Number | 134619-27-9 |
| Appearance | White to off-white solid |
| Melting Point | 162-164 °C |
| Solubility | Slightly soluble in water, soluble in organic solvents (e.g., DMSO, ethanol) |
| Smiles | COc1cc(cc(OC)c1)/C=C/c2ccc(O)cc2 |
| Pubchem Cid | 203519 |
| Synonyms | 3,5-Dimethoxy-4'-hydroxystilbene, Pinosylvin dimethyl ether |
| Storage Temperature | Store at 2-8°C |
As an accredited 4-[(Z)-2-(3,5-Dimethoxyphenyl)Ethenyl]Phenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The chemical is packaged in a 25g amber glass bottle, sealed, labeled with chemical name, CAS number, hazard pictograms, and storage instructions. |
| Shipping | The chemical **4-[(Z)-2-(3,5-Dimethoxyphenyl)ethenyl]phenol** is shipped in tightly sealed containers, protected from light, moisture, and incompatible substances. Packaging complies with safety regulations for laboratory chemicals, includes hazard labeling, and is cushioned for transit. Temperature-sensitive, it should be kept at ambient or refrigerated conditions as recommended to ensure stability. |
| Storage | 4-[(Z)-2-(3,5-Dimethoxyphenyl)ethenyl]phenol should be stored in a cool, dry, and well-ventilated area away from light and moisture. Keep the container tightly closed, clearly labeled, and away from incompatible substances such as strong oxidizers. Store at room temperature or as specified by the manufacturer, and ensure proper chemical safety and handling procedures are in place to prevent contamination or degradation. |
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Work at our plant brings a certain appreciation for molecular craft. Sourcing intermediates for high-value targets fills days with plenty of challenges. We have measured every gram and step of producing 4-[(Z)-2-(3,5-Dimethoxyphenyl)Ethenyl]phenol, knowing downstream users depend on head-to-tail quality. This is not just another phenol derivative. Over the years, stubborn batches and inconsistent results from other suppliers pushed us to rethink every parameter, every purification step, and to account for consistent Z-stereoisomer formation. From mixing vessels to glass-lined reactors and rotary evaporators, each tool earns its space.
The chemistry underlying this compound—featuring its unique dimethoxy substitution at the 3 and 5 positions—was not selected by random chance. Our teams probe the rationale behind every substituent and focus on maintaining rigorous process control. With each run, this molecule emerges with a distinct advantage for organic synthesis. Years of feedback from partners in pharmaceutical research, agro-sciences, and materials labs keep us grounded in the real needs of those building something new, not just reselling what’s already available.
Other phenolic or stilbene intermediates might offer many structural relatives, but few demonstrate the usefulness of the Z-stilbene scaffold joined with the 3,5-dimethoxyphenyl motif. Chemists we talk to prefer this compound for the way its dual electron-donating methoxy groups influence reactivity and selectivity in both condensation reactions and coupling regimes. Some compare the handling experience to classic stilbene derivatives but notice increased solubility and predictable NMR signals that simplify purity checks. There is direct feedback from synthetic routes for fine chemicals, OLED materials, and drug lead optimization projects: this is not a generic monomer or undistinguished phenol. The designed Z-geometry and consistent methoxy pattern encourage unique cyclization behaviors and useful photophysical properties. Countless experiments, from Suzuki couplings to Diels-Alder cycloadditions, show the difference under careful hands.
Whether for small-batch investigational synthesis or larger production runs, users find the physical and chemical parameters stay consistent. In our plant, crystalline structure and melting points receive real attention; we do not let marginal off-spec lots through. Many imported versions show unwanted contamination with the E-isomer or related side products, especially after transit or extended storage. That slows real innovation. The Z-isomer purity in our product, checked batch-to-batch using calibrated analytical techniques, saves both time and solvent in downstream separations. Analytical teams care about the little things—insoluble tars, UV-Vis spectroscopy baseline drifts, unexpected retention times—and we address these at source. Our team never compromises by releasing “close enough” material.
Scaling up this compound remains a lesson in precision. Synthesis begins with the careful selection of raw aromatic precursors, fully vetted for purity. Our process produces the Z-configuration as the dominant isomer, opposing the kinetic bias toward the E-form seen in many simpler Wittig or Heck reactions. Low temperatures, tailored catalysts, and close control of stoichiometry lock in the target product. Plant operators receive hands-on training to spot even minor deviations in reaction color, exotherm, and agitation rate. Purification involves more than just chromatography—recrystallization, vacuum drying, and strict control of solvent traces define batch acceptability. Any powder leaving our doors comes after X-ray diffraction and NMR measurements to confirm identity and isomeric strength.
Day-to-day, we hear from colleagues in analytical labs who hit bottlenecks with highly impure inputs. Many outside manufacturers rely on intermediaries who cut corners on purity to shave costs, or worse, mix synthetically similar but functionally inferior compounds. Such practices might fly for commodity chemicals but not for this class of high-precision intermediate. If the plant ever finds contamination from feedstock—chlorinated residues, oxidized byproducts, or simply microbially seeded batches—traceback and correction happen before shipment. We run every lot through gas chromatography, HPLC, and spectroscopic fingerprinting. If a container ever sits on a shelf too long or in the wrong storage, requalification follows. No exceptions.
Process scientists and engineers at the plant often revisit batch logs and reject numbers that look just “average.” A few years back, a user flagged inconsistent performance in their palladium-catalyzed couplings stemming from subtle impurities in the starting phenol. We sat down, drilled through affected lots, and saw how a 1.2% contaminant could cascade into off-target side products later in the synthesis. That kind of granular attention builds confidence in direct supplier-user relationships, as opposed to commodity trading.
As the product leaves our facility, it lands on benches worldwide with varied applications. Medicinal chemists use it to probe new inhibitor scaffolds and fragment-based drug designs. The molecule’s conjugated core and phenolic handle support library development and structure-activity studies. Several groups exploit the photoreactivity of the Z-alkene for controlled photoisomerization—particularly useful in light-responsive polymers and new optoelectronic materials. We learn from customers who manipulate the dimethoxy substituents to fine-tune electron densities in their target structures.
In more specialized laboratories, this compound shows up in peptide mimicry studies, where rigidity and predictable geometry can mimic certain amino acid residues. Teams optimizing anti-inflammatory agents, kinase inhibitors, or advanced diagnostic reagents use it to build new intellectual property, relying on its unwavering quality. Feedback from these groups shapes the next iterations; they do not want poor solubility, ambiguous melting profiles, or inconsistent NMR integrations. Purity translates directly into fewer failed runs, better analytical yields, and ultimately new discoveries that drive us as manufacturers.
Some recent examples highlight its role in material sciences. Chemists rendering thin films for organic light-emitting diodes reported improved quantum yields by adding derivatives of this molecule to their polymer composites. Teams in agricultural R&D have evaluated it as a core scaffold in new crop protection candidates, capitalizing on its environmental stability and manageable reactivity under field conditions. The molecule supports both bench-scale trial runs and larger pilot reactor sequences without surprises.
Users advancing in complex synthesis routinely lament the shortfalls of standard supply chains. Synthetic chemists know too well what happens when a supposedly high-purity intermediate fails to deliver—side reactions multiply, yields fall, timelines extend, funding runs tight. At the plant, we operate with full transparency on how the product makes its way from batch reactor to sealed drum. Our own teams run application stress tests, mimicking downstream conditions in coupling and derivatization. No speculative claims—just lived experience.
Demand for ever-greater purity, tight stereochemical control, and lot-to-lot consistency never lets up. To meet those requirements, we invest not only in modern instrumentation but also in skilled workforce development. Analytical chemists sharpen their skills on every batch; production engineers challenge process designs for reproducibility, scalability, and environmental safety. The plant’s quality assurance group tracks long-term storage stability, observing lot integrity across seasons and shipping routes. Feedback from real users—sometimes glowing, sometimes rightfully frustrated—shapes daily priorities.
Users often ask what differentiates our product from off-the-shelf phenol or structurally similar dimethoxy derivatives. It comes down to two aspects: structural intention and execution. The Z-stilbene backbone promotes targeted π–π interactions that remain elusive for more flexible E-isomers or unsubstituted phenolics. The dual methoxy groups at meta positions introduce electronic stabilization not replicated in single-methoxy or nonfunctionalized analogues. These are not abstract benefits; they are features confirmed during the daily grind of setting up and scaling up the reaction. Teams at the plant have run head-to-head comparisons—chromatograms do not lie.
Encountering adulterated or poorly characterized material from traders gives chemists nothing but wasted time. We have seen labs forced to rework multiple synthetic steps because a batch deviated from expected TLC behavior or NMR fingerprinting. For this reason, every outgoing batch links back to traceable production logs. Internal documents do not just satisfy regulatory boxes—they allow cross-checking specific lot histories if a customer flags a concern.
The best manufacturers refuse to stand still. In our weekly review meetings, staff bring process innovations as often as they do production challenges. If bottlenecks emerge—an unacceptably slow crystallization, a tricky impurity at the parts-per-million level—solutions emerge from shared experience on the plant floor. Sophisticated users bring ambitious new applications, asking for variants, alternative packaging, or specialized analytical support. The feedback loop remains fast and direct.
Some of the toughest issues include the thorny problem of byproducts that escape at the analytical limits of detection. Our staff have invested time and effort in advanced 2D-NMR, LC-MS, and high-resolution chromatography, exceeding standard protocols to assure minimal impurity levels. Periodically, global shipping disruptions force adaptability in logistics and batch sizing; in those moments, experience in resolute troubleshooting and fair communication keeps partnerships intact.
We continue to modernize our production lines and analytical toolkit in response to evolving client needs. Every year brings new methodologies—photochemical testing, automated reaction monitoring, non-destructive sample preparation—all supporting the end goal of delivering trusted material that does what it says on the label. Users who count on reliable isomerism, consistent solvation, and predictable reactivity will see the surplus value from hands-on manufacturing combined with vigilant quality controls. Appreciation from the R&D community motivates new process improvements and creative problem-solving across shifts.
Only by producing products ourselves, handling them in our own reactors and analytical suites, do we grasp the nuance behind each lot. Bulk traders might claim “pharmaceutical grade” without understanding what it takes to deliver repeatable analytic and synthetic performance. Time on the production line teaches nuance—the humility to reject what does not meet standards, the confidence to release only what satisfies rigorous internal review, and the curiosity to explore untapped uses based on molecular structure.
Joint troubleshooting with users—something we do regularly—teaches that virtually all technical complaints have root causes in feedstock, process parameter, or uncharacterized impurities. Truly robust solutions emerge from collaboration and a manufacturing mindset that prizes honest reporting above rapid turnover. Experience keeps us asking critical questions beyond the standard checklists: has the batch run under atypical reactor conditions? Has environmental fluctuation been accounted for? Does this specific lot support the living, changing needs of contemporary synthetic chemistry?
From analysis over thousands of syntheses, 4-[(Z)-2-(3,5-Dimethoxyphenyl)Ethenyl]phenol stands out because it solves more problems than it creates, helping the next generation of discoveries from the ground up. Our plant’s philosophy embraces respectful dialogue with users, continual learning, and a shared dedication to technological progress grounded in concrete outcomes. That ethos ensures the product serves as more than just material inventory; it becomes a partner in laboratory and commercial innovation, earning its keep in every experimental run and scale-up.
Reliable specialty chemicals come from thoughtful manufacturing—never from chance or cost-driven shortcuts. As dedicated producers of 4-[(Z)-2-(3,5-Dimethoxyphenyl)Ethenyl]phenol, our factory holds itself accountable for giving users the finest, cleanest, and most reliable intermediate available. Years spent optimizing every part of the workflow—careful sourcing, strenuous purification, vigilant analytical checks—deliver value only appreciated by those who work daily at the front lines of scientific discovery. Any customer query, any suggestion or critique, feeds back into our improvement system, making every future batch better than the last. In the world of advanced synthesis, where every decision and every molecule counts, hands-on manufacturing makes all the difference.